LLVM
8.0.1
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This class provides the information for the target register banks. More...
#include "Target/AMDGPU/AMDGPURegisterBankInfo.h"
Additional Inherited Members | |
Public Types inherited from llvm::RegisterBankInfo | |
using | InstructionMappings = SmallVector< const InstructionMapping *, 4 > |
Convenient type to represent the alternatives for mapping an instruction. More... | |
Public Member Functions inherited from llvm::RegisterBankInfo | |
const RegisterBank * | getRegBankFromConstraints (const MachineInstr &MI, unsigned OpIdx, const TargetInstrInfo &TII, const TargetRegisterInfo &TRI) const |
Get the register bank for the OpIdx-th operand of MI form the encoding constraints, if any. More... | |
virtual void | applyMappingImpl (const OperandsMapper &OpdMapper) const |
See applyMapping. More... | |
virtual | ~RegisterBankInfo ()=default |
const RegisterBank & | getRegBank (unsigned ID) const |
Get the register bank identified by ID . More... | |
const RegisterBank * | getRegBank (unsigned Reg, const MachineRegisterInfo &MRI, const TargetRegisterInfo &TRI) const |
Get the register bank of Reg . More... | |
unsigned | getNumRegBanks () const |
Get the total number of register banks. More... | |
virtual const RegisterBank & | getRegBankFromRegClass (const TargetRegisterClass &RC) const |
Get a register bank that covers RC . More... | |
virtual unsigned | copyCost (const RegisterBank &A, const RegisterBank &B, unsigned Size) const |
Get the cost of a copy from B to A , or put differently, get the cost of A = COPY B. More... | |
virtual const InstructionMapping & | getInstrMapping (const MachineInstr &MI) const |
Get the mapping of the different operands of MI on the register bank. More... | |
virtual InstructionMappings | getInstrAlternativeMappings (const MachineInstr &MI) const |
Get the alternative mappings for MI . More... | |
const InstructionMapping & | getInstructionMapping (unsigned ID, unsigned Cost, const ValueMapping *OperandsMapping, unsigned NumOperands) const |
Method to get a uniquely generated InstructionMapping. More... | |
const InstructionMapping & | getInvalidInstructionMapping () const |
Method to get a uniquely generated invalid InstructionMapping. More... | |
Static Public Member Functions inherited from llvm::RegisterBankInfo | |
static void | applyDefaultMapping (const OperandsMapper &OpdMapper) |
Helper method to apply something that is like the default mapping. More... | |
static const TargetRegisterClass * | constrainGenericRegister (unsigned Reg, const TargetRegisterClass &RC, MachineRegisterInfo &MRI) |
Constrain the (possibly generic) virtual register Reg to RC . More... | |
Public Attributes inherited from llvm::RegisterBankInfo | |
struct llvm::RegisterBankInfo::PartialMapping | ScalarAddx2 |
VectorAdd | |
Get the possible mapping for MI . More... | |
Static Public Attributes inherited from llvm::RegisterBankInfo | |
static const unsigned | DefaultMappingID = UINT_MAX |
Identifier used when the related instruction mapping instance is generated by target independent code. More... | |
static const unsigned | InvalidMappingID = UINT_MAX - 1 |
Identifier used when the related instruction mapping instance is generated by the default constructor. More... | |
Protected Member Functions inherited from llvm::RegisterBankInfo | |
RegisterBankInfo (RegisterBank **RegBanks, unsigned NumRegBanks) | |
Create a RegisterBankInfo that can accommodate up to NumRegBanks RegisterBank instances. More... | |
RegisterBankInfo () | |
This constructor is meaningless. More... | |
RegisterBank & | getRegBank (unsigned ID) |
Get the register bank identified by ID . More... | |
const TargetRegisterClass & | getMinimalPhysRegClass (unsigned Reg, const TargetRegisterInfo &TRI) const |
Get the MinimalPhysRegClass for Reg. More... | |
const InstructionMapping & | getInstrMappingImpl (const MachineInstr &MI) const |
Try to get the mapping of MI . More... | |
const PartialMapping & | getPartialMapping (unsigned StartIdx, unsigned Length, const RegisterBank &RegBank) const |
Get the uniquely generated PartialMapping for the given arguments. More... | |
const ValueMapping & | getValueMapping (unsigned StartIdx, unsigned Length, const RegisterBank &RegBank) const |
The most common ValueMapping consists of a single PartialMapping. More... | |
const ValueMapping & | getValueMapping (const PartialMapping *BreakDown, unsigned NumBreakDowns) const |
Get the ValueMapping for the given arguments. More... | |
template<typename Iterator > | |
const ValueMapping * | getOperandsMapping (Iterator Begin, Iterator End) const |
Get the uniquely generated array of ValueMapping for the elements of between Begin and End . More... | |
const ValueMapping * | getOperandsMapping (const SmallVectorImpl< const ValueMapping *> &OpdsMapping) const |
Get the uniquely generated array of ValueMapping for the elements of OpdsMapping . More... | |
const ValueMapping * | getOperandsMapping (std::initializer_list< const ValueMapping *> OpdsMapping) const |
Get the uniquely generated array of ValueMapping for the given arguments. More... | |
Protected Attributes inherited from llvm::RegisterBankInfo | |
RegisterBank ** | RegBanks |
Hold the set of supported register banks. More... | |
unsigned | NumRegBanks |
Total number of register banks. More... | |
DenseMap< unsigned, std::unique_ptr< const PartialMapping > > | MapOfPartialMappings |
Keep dynamically allocated PartialMapping in a separate map. More... | |
DenseMap< unsigned, std::unique_ptr< const ValueMapping > > | MapOfValueMappings |
Keep dynamically allocated ValueMapping in a separate map. More... | |
DenseMap< unsigned, std::unique_ptr< ValueMapping[]> > | MapOfOperandsMappings |
Keep dynamically allocated array of ValueMapping in a separate map. More... | |
DenseMap< unsigned, std::unique_ptr< const InstructionMapping > > | MapOfInstructionMappings |
Keep dynamically allocated InstructionMapping in a separate map. More... | |
DenseMap< unsigned, const TargetRegisterClass * > | PhysRegMinimalRCs |
Getting the minimal register class of a physreg is expensive. More... | |
This class provides the information for the target register banks.
Definition at line 29 of file AMDGPURegisterBankInfo.h.